1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.android.contacts.interactions;
17 
18 import com.google.common.base.Preconditions;
19 
20 /**
21  * Utility methods for interactions and their loaders
22  */
23 public class ContactInteractionUtil {
24 
25     /**
26      * @return a string like (?,?,?...) with {@param count} question marks.
27      */
questionMarks(int count)28     public static String questionMarks(int count) {
29         Preconditions.checkArgument(count > 0);
30         StringBuilder sb = new StringBuilder("(?");
31         for (int i = 1; i < count; i++) {
32             sb.append(",?");
33         }
34         return sb.append(")").toString();
35     }
36 }
37